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DAWAK
2009
Springer
14 years 2 months ago
Dynamic Clustering-Based Estimation of Missing Values in Mixed Type Data
The appropriate choice of a method for imputation of missing data becomes especially important when the fraction of missing values is large and the data are of mixed type. The prop...
Vadim V. Ayuyev, Joseph Jupin, Philip W. Harris, Z...
EVOW
2009
Springer
14 years 2 months ago
Diversity Control and Multi-Parent Recombination for Evolutionary Graph Coloring Algorithms
We present a hybrid evolutionary algorithm for the graph coloring problem (Evocol). Evocol is based on two simple-but-effective ideas. First, we use an enhanced crossover that col...
Daniel Cosmin Porumbel, Jin-Kao Hao, Pascale Kuntz
KDD
2009
ACM
146views Data Mining» more  KDD 2009»
14 years 2 months ago
Online allocation of display advertisements subject to advanced sales contracts
In this paper we propose a utility model that accounts for both sales and branding advertisers. We first study the computational complexity of optimization problems related to bo...
Saeed Alaei, Esteban Arcaute, Samir Khuller, Wenji...
IWPC
2009
IEEE
14 years 2 months ago
Crosscutting patterns and design stability: An exploratory analysis
It is often claimed that inaccurate modularisation of crosscutting concerns hinders program comprehension and, as a consequence, leads to harmful software instabilities. However, ...
Eduardo Figueiredo, Bruno Carreiro da Silva, Cl&aa...
ASWC
2009
Springer
14 years 2 months ago
Two-Fold Service Matchmaking - Applying Ontology Mapping for Semantic Web Service Discovery
Semantic Web Services (SWS) aim at the automated discovery and orchestration of Web services on the basis of comprehensive, machine-interpretable semantic descriptions. Since SWS a...
Stefan Dietze, Neil Benn, John Domingue, Alex Conc...